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NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2005 | Arctic Cat | 250 2x4 | Base |
| 2001-2005 | Arctic Cat | 250 4x4 | Base |
| 1987-1992 | BMW | K100LT | Base |
| 1989-1992 | BMW | K100LT ABS | Base |
| 1984-1988 | BMW | K100RS | Base |
| 1988-1989 | BMW | K100RS ABS | Base |
| 1991-1992 | BMW | K100RS FL | Base |
| 1991-1992 | BMW | K100RS FL ABS | Base |
| 1993-1998 | BMW | K1100LT | Base |
| 1997 | BMW | K1100LT High Line | Base |
| 1997 | BMW | K1100LT Special Edition | Base |
| 1993-1996 | BMW | K1100RS | Base |
| 1996 | BMW | K1100RS SE | Base |
| 1990-1994 | BMW | K75 | Base |
| 1986-1988 | BMW | K75C | Base |
| 1990-1992 | BMW | K75RT | Base |
| 1991-1995 | BMW | K75RT ABS | Base |
| 1987-1992 | BMW | K75S | Base |
| 1991-1995 | BMW | K75S ABS | Base |
| 1986-1987 | BMW | K75T | Base |
| 1988-1991 | BMW | M3 | Base |
| 1988 | BMW | M5 | Base |
| 1987-1988 | BMW | M6 | Base |
| 1975-1977 | Honda | CB550F Super Sport | Base |
| 1974-1978 | Honda | CB550K | Base |
| 1975-1976 | Honda | TL250 | Base |
| 1984-1985 | Kawasaki | KLT110 | Base |
| 1983-1986 | Suzuki | ALT125 | Base |
| 1985 | Suzuki | ALT185 | Base |
| 1987 | Suzuki | LT-F230 | Base |
| 2002-2009,2012-2014 | Suzuki | LT-F250 Ozark | Base |
| 1988-2001 | Suzuki | LT-F250 QuadRunner | Base |
| 1999-2002 | Suzuki | LT-F250F QuadRunner 4x4 | Base |
| 1999-2002 | Suzuki | LT-F300F KingQuad 4x4 | Base |
| 1985-1987 | Suzuki | LT125 | Base |
| 1989 | Suzuki | LT160E | Base |
| 1984-1987 | Suzuki | LT185 | Base |
| 1987-1993 | Suzuki | LT230E QuadRunner | Base |
| 1985-1986 | Suzuki | LT230GE | Base |
| 1985-1988 | Suzuki | LT230S QuadSport | Base |
| 2013 | Suzuki | M50 Boulevard | Base |
| 1981-1982 | Yamaha | SR185 | Base |
| 1983-1984 | Yamaha | TT600 | Base |
| 2008-2019 | Yamaha | XT250 | Base |
| 1982-1983 | Yamaha | XT550 | Base |
| 2000 | Yamaha | YFB250FW Timberwolf 4x4 | Base |
| 1985-1989 | Yamaha | YFM200 Moto-4 | Base |
| 1986-1988 | Yamaha | YFM225 Moto-4 | Base |
| 1999-2004 | Yamaha | YFM250 Bear Tracker | Base |
| 2007-2009 | Yamaha | YFM250 Big Bear | Base |
| 2005-2006 | Yamaha | YFM250 Bruin | Base |
| 2008-2013 | Yamaha | YFM250 Raptor | Base |
| 2008 | Yamaha | YFM250 Raptor SE | Base |
| 2008 | Yamaha | YFM250 Raptor SE Custom | Base |
| 2011 | Yamaha | YFM250R Raptor | Base |
| 2018-2020 | Yamaha | YFM450 Kodiak 450 | Base |
| 2018-2020 | Yamaha | YFM450 Kodiak 450 EPS | Base |
| 2019-2020 | Yamaha | YFM450 Kodiak 450 EPS SE | Base |
| 1983-1985 | Yamaha | YTM200 Tri-Moto | Base |
We use UPS, FedEx, DHL, and USPS for deliveries. We are not responsible for any shipping problems and shall not be held liable for any "reasonable" delay beyond our advertised delivery time-frames. Shipment by Ground Courier can take up to 15 business days for delivery. Express Courier can take up to 3 business days for delivery. Shipping time frames are once the order has been processed. Due to high demand, order processing can take 5 to 7 business days.
